Umthambo

umthambo wegazi

Umthambo uyithumbu legazi ohlelweni lokujikeleza kwegazi lwabantu kanye nezinye izilwane eziningi elithwala igazi uliyise enhliziyweni. Imithambo eminingi ithwala igazi eliswelisOhwe lisuka ezicutshini libuyele enhliziyweni; ngaphandle kwaleyo yokujikeleza kwegazi emaphashini nokwezingane yona ethwala igazi elinesOhwe iliyise enhliziyweni. Ekujikelezeni kwegazi okujwayelekile, iminqonqo ithwala igazi elinesOhwe lisuke enhliziyweni, kanti imithambo ibuyisela igazi eliswelisOhwe enhliziyweni, emithanjeni ejulile. ^[1]

Kunezinhlobo zemithambo ezintathu ezidlulana ngobungako: emikhulu, esesphakathini, nemincane. Umthambo emincane ebizwa imithanjazane (venule) emincane yawo imithanjazane elunci (post capillary venules) – emincinyane kakhulu idinga isibonancinci. Imithambo iyona etholakala eduze kwesikhumba kuneminqonqo.

↑ "Number and location of venous valves within the popliteal and femoral veins: a review of the literature". J Anat 219 (4): 439–43. October 2011. doi:10.1111/j.1469-7580.2011.01409.x. PMC 3196749. PMID 21740424. http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=3196749.

[Moore3-1] "Number and location of venous valves within the popliteal and femoral veins: a review of the literature". J Anat 219 (4): 439–43. October 2011. doi:10.1111/j.1469-7580.2011.01409.x. PMC 3196749. PMID 21740424. http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=3196749.

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